<%--
  Created by IntelliJ IDEA.
  User: Manager
  Date: 2021/3/14
  Time: 14:24
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>$Title$</title>

    <script src="${pageContext.request.contextPath}/statics/js/jquery-3.6.0.js"></script>


    <script>

        function a() {
            $.post({
                url: "${pageContext.request.contextPath}/a1",
                data: {"name": $("#username")},
                success: function (data,status) {
                    alert(data);
                    console.log("log_status"+status);
                },
                error: function () {

                }
            })
        }
    </script>

</head>
<body>

<%--失去焦点的时间 发起一个请求 携带信息到后台--%>
用户名：<input type="text" id="username" onblur="a()">

</body>
</html>


